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Social Media Use in Preteens Linked to Increased Risk of Depression, UCSF Study Finds

New longitudinal research reveals social media use predicts a 35% rise in depressive symptoms among preteens, with cyberbullying and sleep disruption identified as key factors.

New research finds that more social media use may lead to depressive symptoms over time.
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Overview

  • A UCSF study published in JAMA Network Open found that higher social media use in preteens predicts a significant increase in depressive symptoms by early adolescence.
  • The research, involving nearly 12,000 children, showed that prior depressive symptoms did not lead to increased social media use, refuting earlier assumptions.
  • On average, daily social media use among participants rose from seven minutes at ages 9–10 to over an hour by ages 12–13, coinciding with worsening mental health outcomes.
  • Cyberbullying and disrupted sleep were highlighted as potential mechanisms linking social media use to depression, with related research showing cyberbullied children are over 2.5 times more likely to attempt suicide.
  • Experts recommend parental strategies such as setting screen-free times and fostering open conversations about digital habits, though some critics argue the study's effect sizes are too small to draw definitive conclusions.